Data Types | |
| type | gadget_header_type |
| a gadget header type More... | |
Functions/Subroutines | |
| integer | check_f (snapfile, routine) |
| Checks if a file can be found on disk. | |
| integer | check_i1 (arr, ghead, read1, pmask, routine) |
| Checks if a 1 dimensional integer array conforms to the data to be read. | |
| integer | check_r1 (arr, ghead, read1, pmask, routine) |
| Checks if a 1 dimensional real array conforms to the data to be read. | |
| integer | check_r2 (arr, ghead, read1, pmask, routine) |
| Checks if a 2 dimensional real array conforms to the data to be read. | |
| integer | gadgetquery_nfiles (snapbase) |
| Checks how many files are in a snapshot. | |
| logical, dimension(6) | gadgetquery_vmass (snapfile) |
| Checks which particle types are variable mass. | |
| subroutine | gadgetread_posN (snapbase, pmask, pos) |
| Reads positions from a whole snapshot. | |
| subroutine | gadgetread_pos1 (snapfile, pmask, pos) |
| Reads positions from a single file. | |
| subroutine | gadgetread_velN (snapbase, pmask, vel) |
| Reads velocities from a whole snapshot. | |
| subroutine | gadgetread_vel1 (snapfile, pmask, vel) |
| Reads velocities from a single file. | |
| subroutine | gadgetread_idN (snapbase, pmask, id) |
| Reads velocities from a whole snapshot. | |
| subroutine | gadgetread_id1 (snapfile, pmask, id) |
| Reads IDs from a single file. | |
| subroutine | gadgetread_massN (snapbase, pmask, mass) |
| Reads masses from a whole snapshot. Any particles that are constant mass will have their section of the array filled in with the header value gheadmass(ptype). | |
| subroutine | gadgetread_mass1 (snapfile, pmask, mass) |
| Reads mass from a single file. If there are no variable mass particles for a given type, that section of the array will be filled in with the value from the header. | |
| subroutine | gadgetread_gasuN (snapbase, u) |
| Reads gas internal energies from a whole snapshot. | |
| subroutine | gadgetread_gasu1 (snapfile, u) |
| Reads gas internal energies from a single file. | |
| subroutine | gadgetread_gasrhoN (snapbase, rho) |
| Reads gas densities from a whole snapshot. | |
| subroutine | gadgetread_gasrho1 (snapfile, rho) |
| Reads gas densities from a single file. | |
| subroutine | gadgetread_gasyeN (snapbase, ye) |
| Reads gas electron fraction ye=ne/nH from a whole snapshot. | |
| subroutine | gadgetread_gasye1 (snapfile, ye) |
| Reads gas electron fraction ye = ne/nH from a single file. | |
| subroutine | gadgetread_gasxHIN (snapbase, xHI) |
| Reads gas H ionization fractions = nHI/nH from a whole snapshot. | |
| subroutine | gadgetread_gasxHI1 (snapfile, xHI) |
| Reads gas H ionization fraction xHI = nHI/nH from a single file. | |
| subroutine | gadgetread_gashsmlN (snapbase, hsml) |
| Reads gas smoothing lengths from a whole snapshot. note: gadget smoothing kernels go to 0 at h not 2h. | |
| subroutine | gadgetread_gashsml1 (snapfile, hsml) |
| Reads gas smoothing lengths from a single file note: gadget smoothing kernels go to 0 at h not 2h. | |
| subroutine | gadgetread_gassfrN (snapbase, sfr) |
| Reads gas star formation rate from a whole snapshot. | |
| subroutine | gadgetread_gassfr1 (snapfile, sfr) |
| Reads gas star formation rate from a single file. | |
| subroutine | gadgetread_header (snapfile, ghead) |
| Loads the header from snapfile into ghead. | |
| subroutine | gadgetread_firstheader (snapbase, ghead) |
| Loads the header from the first file in a snapshot into ghead. | |
| subroutine | gadgetwrite_header (ghead, lun) |
| Writes out gadget header data. if lun = -1 then it goes to the screen, otherwise puts it in the file associated with lun. | |
Variables | |
| integer, parameter | r4b = selected_real_kind(6,37) |
| 4 byte real type | |
| integer, parameter | r8b = selected_real_kind(15,307) |
| 8 byte real type | |
| integer, parameter | i4b = selected_int_kind(9) |
| 4 byte integer type | |
| character(5), dimension(6), parameter | parnames = (/,,,,,/) |
| particle type names | |
| real(r8b), parameter | GLen = 3.085678d21 |
| default Gadget length unit [cm/h] | |
| real(r8b), parameter | GMass = 1.989d43 |
| default Gadget mass unit [g/h] | |
| real(r8b), parameter | GVel = 1.0d5 |
| default Gadget velocity unit [cm/s] | |
| real(r8b), parameter | GTime = GLen / GVel |
| default Gadget time unit [s/h] | |
| real(r8b), parameter | GRho = GMass / GLen**3 |
| default Gadget density unit [cgs*h^2] | |
| real(r8b), parameter | GPres = GMass / GLen / GTime**2 |
| default Gadget pressure unit [cgs*h^2] | |
| real(r8b), parameter | GEnrg = GMass * GVel**2 |
| default Gadget energy unit [ergs/h] | |
| integer(i4b), parameter | blank = (256 - (25*4+12*8))/4 |
| blank space left after header variables | |
| integer gadget_io_mod::check_f | ( | character(*) | snapfile, | |
| character(*) | routine | |||
| ) | [private] |
Checks if a file can be found on disk.
| snapfile | file to check for |
| routine | name of calling routine |
Definition at line 88 of file gadget_io.f90.
| integer gadget_io_mod::check_i1 | ( | integer,dimension(:) | arr, | |
| type(gadget_header_type) | ghead, | |||
| logical | read1, | |||
| logical,dimension(6) | pmask, | |||
| character(*) | routine | |||
| ) | [private] |
Checks if a 1 dimensional integer array conforms to the data to be read.
| arr | array that will hold the particle data |
| ghead | gadget header to check particle numbers |
| read1 | true if reading only one file |
| pmask | particle mask |
| routine | name of calling routine |
Definition at line 105 of file gadget_io.f90.
| integer gadget_io_mod::check_r1 | ( | real,dimension(:) | arr, | |
| type(gadget_header_type) | ghead, | |||
| logical | read1, | |||
| logical,dimension(6) | pmask, | |||
| character(*) | routine | |||
| ) | [private] |
Checks if a 1 dimensional real array conforms to the data to be read.
| arr | array that will hold the particle data |
| ghead | gadget header to check particle numbers |
| read1 | true if reading only one file |
| pmask | particle mask |
| routine | name of calling routine |
Definition at line 151 of file gadget_io.f90.
| integer gadget_io_mod::check_r2 | ( | real,dimension(:,:) | arr, | |
| type(gadget_header_type) | ghead, | |||
| logical | read1, | |||
| logical,dimension(6) | pmask, | |||
| character(*) | routine | |||
| ) | [private] |
Checks if a 2 dimensional real array conforms to the data to be read.
| arr | array that will hold the particle data |
| ghead | gadget header to check particle numbers |
| read1 | true if reading only one file |
| pmask | particle mask |
| routine | name of calling routine |
Definition at line 197 of file gadget_io.f90.
| integer gadget_io_mod::gadgetquery_nfiles | ( | character(*) | snapbase | ) |
Checks how many files are in a snapshot.
| snapbase | snapshot base name |
Definition at line 247 of file gadget_io.f90.
| logical,dimension(6) gadget_io_mod::gadgetquery_vmass | ( | character(*) | snapfile | ) |
Checks which particle types are variable mass.
| snapfile | snapshot file to check |
Definition at line 272 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_firstheader | ( | character(*),intent(in) | snapbase, | |
| type(gadget_header_type) | ghead | |||
| ) |
Loads the header from the first file in a snapshot into ghead.
| snapbase | base name of snapshot with path (no file number) |
| ghead | gadget header to return |
Definition at line 1360 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gashsml1 | ( | character(*),intent(in) | snapfile, | |
| real,dimension(:),intent(out) | hsml | |||
| ) |
Reads gas smoothing lengths from a single file note: gadget smoothing kernels go to 0 at h not 2h.
| snapfile | snapfile to read |
| hsml | array of smoothing lengths to return [npar] |
Definition at line 1184 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gashsmlN | ( | character(*),intent(in) | snapbase, | |
| real,dimension(:),intent(out) | hsml | |||
| ) |
Reads gas smoothing lengths from a whole snapshot. note: gadget smoothing kernels go to 0 at h not 2h.
| snapbase | snapfile to read |
| hsml | array of smoothing lengths to return [npar] |
Definition at line 1134 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasrho1 | ( | character(*),intent(in) | snapfile, | |
| real,dimension(:),intent(out) | rho | |||
| ) |
Reads gas densities from a single file.
| snapfile | snapfile to read |
| rho | array of densities to return [npar] |
Definition at line 892 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasrhoN | ( | character(*),intent(in) | snapbase, | |
| real,dimension(:),intent(out) | rho | |||
| ) |
Reads gas densities from a whole snapshot.
| snapbase | snapfile to read |
| rho | array of densities to return [npar] |
Definition at line 842 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gassfr1 | ( | character(*),intent(in) | snapfile, | |
| real,dimension(:),intent(out) | sfr | |||
| ) |
Reads gas star formation rate from a single file.
| snapfile | snapfile to read |
| sfr | array of star formation rates to return [npar] |
Definition at line 1278 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gassfrN | ( | character(*),intent(in) | snapbase, | |
| real,dimension(:),intent(out) | sfr | |||
| ) |
Reads gas star formation rate from a whole snapshot.
| snapbase | snapfile to read |
| sfr | array of star formation rates to return [npar] |
Definition at line 1228 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasu1 | ( | character(*),intent(in) | snapfile, | |
| real,dimension(:),intent(out) | u | |||
| ) |
Reads gas internal energies from a single file.
| snapfile | snapfile to read |
| u | array of internal energies to return [npar] |
Definition at line 802 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasuN | ( | character(*),intent(in) | snapbase, | |
| real,dimension(:),intent(out) | u | |||
| ) |
Reads gas internal energies from a whole snapshot.
| snapbase | snapfile to read |
| u | array of internal energies to return [npar] |
Definition at line 753 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasxHI1 | ( | character(*),intent(in) | snapfile, | |
| real,dimension(:),intent(out) | xHI | |||
| ) |
Reads gas H ionization fraction xHI = nHI/nH from a single file.
| snapfile | snapfile to read |
| xHI | array of xHI to return [npar] |
Definition at line 1083 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasxHIN | ( | character(*),intent(in) | snapbase, | |
| real,dimension(:),intent(out) | xHI | |||
| ) |
Reads gas H ionization fractions = nHI/nH from a whole snapshot.
| snapbase | snapfile to read |
| xHI | array of ionization fractions xHI=nHI/nH to return [npar] |
Definition at line 1033 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasye1 | ( | character(*),intent(in) | snapfile, | |
| real,dimension(:),intent(out) | ye | |||
| ) |
Reads gas electron fraction ye = ne/nH from a single file.
| snapfile | snapfile to read |
| ye | array of electron fractions to return [npar] |
Definition at line 984 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_gasyeN | ( | character(*),intent(in) | snapbase, | |
| real,dimension(:),intent(out) | ye | |||
| ) |
Reads gas electron fraction ye=ne/nH from a whole snapshot.
| snapbase | snapfile to read |
| ye | array of electron fractions ye=ne/nH to return [npar] |
Definition at line 934 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_header | ( | character(*),intent(in) | snapfile, | |
| type(gadget_header_type) | ghead | |||
| ) |
Loads the header from snapfile into ghead.
| snapfile | snapshot file to read |
| ghead | gadget header to return |
Definition at line 1336 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_id1 | ( | character(*),intent(in) | snapfile, | |
| logical,dimension(6),intent(in) | pmask, | |||
| integer,dimension(:),intent(out) | id | |||
| ) |
Reads IDs from a single file.
| snapfile | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| id | array of ids to return [npar] |
Definition at line 576 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_idN | ( | character(*),intent(in) | snapbase, | |
| logical,dimension(6),intent(in) | pmask, | |||
| integer,dimension(:),intent(out) | id | |||
| ) |
Reads velocities from a whole snapshot.
| snapbase | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| id | array of IDs to return [npar] |
Definition at line 512 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_mass1 | ( | character(*),intent(in) | snapfile, | |
| logical,dimension(6),intent(in) | pmask, | |||
| real,dimension(:),intent(out) | mass | |||
| ) |
Reads mass from a single file. If there are no variable mass particles for a given type, that section of the array will be filled in with the value from the header.
| snapfile | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| mass | array of masses to return [npar] |
Definition at line 691 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_massN | ( | character(*),intent(in) | snapbase, | |
| logical,dimension(6),intent(in) | pmask, | |||
| real,dimension(:),intent(out) | mass | |||
| ) |
Reads masses from a whole snapshot. Any particles that are constant mass will have their section of the array filled in with the header value gheadmass(ptype).
| snapbase | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| mass | array of masses to return [npar] |
Definition at line 626 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_pos1 | ( | character(*),intent(in) | snapfile, | |
| logical,dimension(6),intent(in) | pmask, | |||
| real,dimension(:,:),intent(out) | pos | |||
| ) |
Reads positions from a single file.
| snapfile | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| pos | array of positions to return [ndim,npar] |
Definition at line 355 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_posN | ( | character(*),intent(in) | snapbase, | |
| logical,dimension(6),intent(in) | pmask, | |||
| real,dimension(:,:),intent(out) | pos | |||
| ) |
Reads positions from a whole snapshot.
| snapbase | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| pos | array of positions to return [ndim,npar] |
Definition at line 292 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_vel1 | ( | character(*),intent(in) | snapfile, | |
| logical,dimension(6),intent(in) | pmask, | |||
| real,dimension(:,:),intent(out) | vel | |||
| ) |
Reads velocities from a single file.
| snapfile | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| vel | array of velocities to return [ndim,npar] |
Definition at line 465 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetread_velN | ( | character(*),intent(in) | snapbase, | |
| logical,dimension(6),intent(in) | pmask, | |||
| real,dimension(:,:),intent(out) | vel | |||
| ) |
Reads velocities from a whole snapshot.
| snapbase | snapfile to read |
| pmask | pmask(1)=T read gas, pmask(2)=T read halo, ... |
| vel | array of velocities to return [ndim,npar] |
Definition at line 402 of file gadget_io.f90.
| subroutine gadget_io_mod::gadgetwrite_header | ( | type(gadget_header_type),intent(in) | ghead, | |
| integer,intent(in) | lun | |||
| ) |
Writes out gadget header data. if lun = -1 then it goes to the screen, otherwise puts it in the file associated with lun.
| ghead | gadget header to write |
| lun | lun for IO. if lun=-1 output goes to screen |
Definition at line 1382 of file gadget_io.f90.
| integer(i4b),parameter gadget_io_mod::blank = (256 - (25*4+12*8))/4 |
| real(r8b),parameter gadget_io_mod::GEnrg = GMass * GVel**2 |
| real(r8b),parameter gadget_io_mod::GLen = 3.085678d21 |
| real(r8b),parameter gadget_io_mod::GMass = 1.989d43 |
| real(r8b),parameter gadget_io_mod::GPres = GMass / GLen / GTime**2 |
| real(r8b),parameter gadget_io_mod::GRho = GMass / GLen**3 |
| real(r8b),parameter gadget_io_mod::GTime = GLen / GVel |
| real(r8b),parameter gadget_io_mod::GVel = 1.0d5 |
| integer,parameter gadget_io_mod::i4b = selected_int_kind(9) |
| character(5),dimension(6),parameter gadget_io_mod::parnames = (/,,,,,/) |
| integer,parameter gadget_io_mod::r4b = selected_real_kind(6,37) |
| integer,parameter gadget_io_mod::r8b = selected_real_kind(15,307) |
1.5.5